Private security guards sit on a seaside promenade after they evacuated beach-goers after the government announced a tsunami alert in the southern Indian city of Kochi April 11, 2012, following an earthquake which struck off Indonesia. A few thousand people were evacuated to higher ground from parts of Andaman and Nicobar islands on Wednesday following earthquakes in Indonesia, as the islands prepared for tsunami waves up to 3.9 metres high, officials said. REUTERS/Sivaram V (INDIA - Tags: DISASTER)